<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../../src/event-bus/EventBus.js"></script>

</head>
<body>
  <script>

    const eventBus = new EventBus()

    eventBus.on('login', data => {
      console.log(data + ' 用户已登录');
    });
    eventBus.on('login', data => {
      console.log(data + ' 登录数据已写入');
    });
    eventBus.on('logout', data => {
      console.log(data + ' 退出登录');
    });

    // 触发事件
    setTimeout(() => {
      eventBus.emit('login', 'coderbin')
    },500)

    // 测试事件解绑
    // 1. 只解绑 login 事件
    // eventBus.off('login')
    // 2. 不传参数，解绑全部事件
    // eventBus.off()
    console.log(eventBus);
  </script>
</body>
</html>